. Bulletin of the Geological Society of America. Geology. STRUCTURAL DETAILS OF THE CONTACT 147 west; but higher up it turns to a general north-south direction and follows the western slope of the high, sharp ridge (plate 16) separating Fountain creek and Williams canyon. The upper part of this ridge is composed of the Manitou (Sil- urian) limestone, in which the subterranean drainage of past ages has excavated the Grand cavern and cave of the Winds. For the first quarter of a mile along this slope the contact, Avith the normal southeast dip of 10 degrees, is exposed almost continuousl}^, and
. Bulletin of the Geological Society of America. Geology. STRUCTURAL DETAILS OF THE CONTACT 147 west; but higher up it turns to a general north-south direction and follows the western slope of the high, sharp ridge (plate 16) separating Fountain creek and Williams canyon. The upper part of this ridge is composed of the Manitou (Sil- urian) limestone, in which the subterranean drainage of past ages has excavated the Grand cavern and cave of the Winds. For the first quarter of a mile along this slope the contact, Avith the normal southeast dip of 10 degrees, is exposed almost continuousl}^, and is almost absolutely plane, showing no appreciable sags, faults, or breaks of any kind, and crossing great dikes of fine gran- ite in the normal coarse granite without deviation, the granite, regard- inch = 4 feet. FiuuBE (5.—Faultinq and Shearing of the Contact . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
Size: 2055px × 1216px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
